At a concert, 2/5 of the people were men. there were 3 times as many women as children. if there were 45 more men than children how many people were at the concert

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

3/4 = c/36 i need with this fraction proble.

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?